Guide leaflet ... geological field trip.
- Publisher:
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 31898136
- Subject: Geology Illinois.
- Subject code: QE
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | 1950 | permanent |